Casing portion for a bicycle control device



FIG. 1 is a rear perspective view of the casing portion for a bicycle control device in accordance with my new design;

FIG. 2 is a top plan view of the casing portion for a bicycle control device in accordance with my new design;

FIG. 3 is a front elevational view of the casing portion for a bicycle control device in accordance with my new design;

FIG. 4 is a rear elevational view of the casing portion for a bicycle control device in accordance with my new design;

FIG. 5 is an outer side elevational view of the casing portion for a bicycle control device in accordance with my new design;

FIG. 6 is an inner side elevational view of the casing portion for a bicycle control device in accordance with my new design; and,

FIG. 7 is a bottom plan view of the casing portion for a bicycle control device in accordance with my new design.

The broken line showing of environment (the remaining structure of the bicycle control device) in the Figures is for illustrative purposes only and forms no part of the claimed design. Moreover, non visible surfaces of the casing portion do not form a part of the claimed design. 

The ornamental design for a casing portion for a bicycle control device, as shown and described. 